Swagger

swagger.io/tools/swaggerhub
DevOps
Weekend Project

Build AI-Ready APIs | Design, Test & Scale APIs Faster with Swagger

How to Replace Swagger

Overview

Swagger sets the standard for API design, testing, and governance in the age of AI. It automates and centralizes visibility, governance, and discoverability, while AI-assisted building, testing, and documentation help teams deliver faster, operate predictably, and scale with confidence. The platform unifies design, testing, documentation, and exploration in one central hub.

Features

47 features across 14 categories

AI(1)

AI-Assisted API GenerationAI

Leverage AI-assisted API generation to redefine what AI-ready APIs can mean for your organization

Also in: monday.com, Notion, Airtable

API Design(1)

Visual, Code-Optional Editor

Empower cross-functional teams with a visual, code-optional editor, making it easier for non-technical users to contribute to API design

API Development(4)

MCP Server CreationAI

Create MCP servers with AI assistance as part of API building

Multiple Export Formats

Export designs in multiple formats to meet development needs

OpenAPI Generation from Live APIs

Use Explore to generate an OpenAPI description for a service that doesn't have one yet, and import it straight into Design to enhance your workflow

Reusable Components

Standardize core components like data models, parameters, and headers to reduce duplication and accelerate development

API Discovery(1)

Search and Filter Functionality

Allow users to easily find APIs and endpoints relevant to their needs

Also in: Kong

API Exploration(3)

Integrated Exploration and Documentation

Combine API documentation and live call testing in a single workspace to better understand how APIs behave before integration

Quick Endpoint Insights

Instantly visualize API responses to evaluate functionality

REST and Kafka API Support

Interact with REST and Kafka APIs in the Explore tool

API Management(1)

Centralized API Catalog

Organize and manage all your API descriptions in a centralized catalog that promotes consistency, reuse, and discoverability across teams

API Standards(1)

OpenAPI and AsyncAPI Support

Work across multiple specifications supporting both OpenAPI and AsyncAPI to accommodate a wide range of API styles and architectural patterns

Collaboration(4)

Collaborative API Discovery

Share API details across teams to accelerate learning and integration efforts

Explore Spaces

Share a set of API requests and responses with team members using Explore Spaces

In-line Commenting on API Descriptions

Accelerate reviews with in-line commenting on API descriptions, streamlining team input and enabling quicker iteration

Real-Time Test Result Collaboration

Share test results across QA, Dev, and Product teams to catch issues early

Also in: Notion, Airtable, Obsidian

Deployment(1)

Can-I-Deploy Validation

Use can-i-deploy to tell you when a component is safe to release

Documentation(3)

Automated API DocumentationAI

Automate your API documentation for humans and agents alike using traditional methods or MCP tools

Branded API Portal

Customize the portal to reflect your brand, providing a cohesive experience

Multiple Documentation Rendering Formats

Choose between multiple documentation formats—like Swagger UI or markdown-style rendering—to suit both internal and external audiences

Governance(2)

Automatic Linting Against Internal Style Guides

Automatically lint APIs against internal style guides to ensure consistency

Pre-built Templates and Style Guides

Apply pre-built templates and style guides to drive consistency, reusability, and faster API delivery

Integration(3)

API Gateway Integration

Seamlessly connect with API gateways

CI/CD Pipeline Integration

Connect with CI/CD pipelines for automated testing and deployment

Version Control System Integration

Seamlessly connect with version control systems

Security(3)

API Visibility Control

Decide whether to expose your APIs publicly or restrict them to authorized users—ensuring the right level of access for every use case

Role and Permission Assignment

Tailor access and editing rights across your team to simplify documentation workflows and maintain governance

Role-Based Access Controls for Testing

Empower collaboration with intuitive access controls that keep teams aligned

Testing(19)

AI-Enabled Contract TestingAI

Validate APIs while they're still in development with AI-enabled contract testing that empowers teams to discover consumer insights and detect integration issues early

API Contract Validation Throughout Development

Catch breaking changes early by validating API contracts throughout development, reducing production risks

API Test Generation from Designs

Generate tests directly from your API designs to reduce rework and avoid outdated failures

Automated Mock APIs

Generate mock servers instantly to test endpoints without manual setup

Automatic Contract Test GenerationAI

Generate, review and maintain contract tests automatically and receive AI-driven suggestions for improvements

Bi-directional Contract Testing Workflow

The bi-directional contract testing workflow makes it simple for new teams to get started

Browser-Based Request Configuration

Configure requests in your browser and run them locally with Explore's execution agents for secure API testing

Centralized Test Management

Monitor all test runs, results, and failures in one place

CI/CD Automation for API Tests

Trigger API tests at every stage of your pipeline to prevent late-stage defects

Development-Time Contract Testing

Contract tests can be written during development - no need to wait for the other side of your integration to be ready

Exploratory API Testing

Effortless exploratory testing with integrated documentation and discovery tools, enabling users to quickly understand, validate, and integrate APIs

Integration Error Mitigation

Reduce errors by evaluating API capabilities before integration

Low-Code/No-Code Test Building

Build reliable tests faster, with less scripting overhead

Multi-Protocol Support

Validate APIs across HTTP, Kafka, and more, ensuring broad compatibility and real-world readiness

Parallel and Sequential Test Execution

Flexible test execution accelerates feedback loops and regression testing, boosting dev speed and cutting time-to-market

Proactive Issue Detection

Understand the impact of any change at the point of design or code modification, enabling faster resolution and smoother releases

SmartBear AI Test GenerationAI

Use SmartBear AI to automate test generation and maintenance, keeping tests in sync with evolving APIs and enabling more reliable deployments

Testing Gap DetectionAI

Detect testing gaps, optimize workflows, and accelerate time-to-market with minimal manual effort and SmartBear AI-driven accuracy

Version-Aware Testing

Validate APIs across versions without starting from scratch

Cost Calculator

Pricing data not available for Swagger. Check their website for current pricing.

Build vs Buy

Should you build a Swagger alternative or buy the subscription? Estimate based on 47 features.

Buy Swagger

Better Value
Monthly costContact Sales
3-year totalVaries
Time to deployDays

Build Your Own

Development cost$24,000
Maintenance$360/mo
3-year total$36,960
Dev time~2 months

Buying Swagger saves ~$36,960 over 3 years vs building.

Estimates based on 47 features and a BuildScore of 5/5. Actual costs vary.

Integrations

3 known integrations

API GatewaysCI/CD PipelinesVersion Control Systems